<template>
  <div class="login-container">
    <!-- 导航栏 -->
    <van-nav-bar class="page-nav-bar" title="标题">
      <van-icon slot="left" name="cross" @click="$router.back()" />
    </van-nav-bar>
    <!-- 导航栏 -->

    <!-- 登录表单 -->
    <van-form @submit="onSubmit" ref="loginForm">
      <van-field
        name="mobile"
        placeholder="请输入手机号"
        left-icon="smile-o"
        v-model="user.mobile"
        :rules="userFormRules.mobile"
        type="number"
        maxlength="11"
      />
      <van-field
        name="code"
        placeholder="请输入验证码"
        left-icon="more-o"
        v-model="user.code"
        :rule="userFormRules.code"
        type="number"
        maxlength="6"
      >
        <template #button>
          <van-count-down
            :time="1000 * 3"
            format="ss s"
            v-if="countDownShow"
            @finish="countDownShow = false"
          />
          <van-button
            v-else
            class="send-sms-btn"
            round
            size="small"
            type="default"
            native-type="button"
            @click="onSendSms"
            >发送验证码</van-button
          >
        </template>
      </van-field>
      <div class="login-btn-wrap">
        <van-button class="login-btn" block type="info" native-type="submit"
          >登录</van-button
        >
      </div>
    </van-form>
    <!-- 登录表单 -->
  </div>
</template>

<script>
import { login } from "@/api/user.js";
export default {
  name: "LoginIndex",
  components: {},
  props: {},
  data() {
    return {
      user: {
        mobile: "18792855471",
        code: "246810",
      },
      userFormRules: {
        mobile: [
          { required: true, message: "手机号不能为空" },
          { pattern: /^1[3|5|7|8]\d{9}$/, message: "手机号格式不正确" },
        ],
        code: [
          { required: true, message: "验证码不能为空" },
          { pattern: /^\d{6}$/, message: "验证码格式不正确" },
        ],
      },
      countDownShow: false,
    };
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  methods: {
    // async onSubmit() {
    //   const user = this.user;
    //   try {
    //     const res = await login(user);
    //     console.log("登陆成功", res);
    //   } catch (err) {
    //     if (err.response.status === 400) {
    //       console.log("密码或验证码错误", err);
    //     } else {
    //       console.log("登陆失败, 请稍后重试", err);
    //     }
    //   }
    // },

    async onSubmit() {
      this.$toast.loading({
        message: "加载中...",
        forbidClick: true,
        duration: 0,
      });

      try {
        // 因为是 promise axios底层 所以可以用 await 跟 async 修饰
        // 这一句必须写这里面因为 try 要捕捉 正确的 res 跟 错误 err 如果写外面就捕捉不到了
        const { data } = await login(this.user);
        this.$store.commit("setUser", data.data);
        this.$toast.success("登陆成功");
        this.$router.back();
      } catch (err) {
        if (err.response.status === 400) {
          // console.log("用户名或验证码错误", err);
          this.$toast.fail("用户名或验证码错误");
        } else {
          this.$toast.fail("登陆失败，请稍后重试");
          // console.log("未知错误");
        }
      }
    },
    async onSendSms() {
      try {
        await this.$refs.loginForm.validate("mobile");
      } catch (err) {
        return console.log("验证失败", err);
      }
      this.countDownShow = true;

      // 发送验证码
      // try {
      //   await sendSms(this.user.mobile);
      //   this.$toast("发送成功");
      // } catch (err) {
      //   if (err.response.status === 429) {
      //     this.$toast("发送太频繁， 请稍后再试");
      //   } else {
      //     this.$toast("发送失败， 请稍后重试");
      //   }
      // }
    },
  },
};
</script>

<style scoped lang="less">
.login-container {
  .send-sms-btn {
    width: 180px;
    height: 46px;
    line-height: 46px;
    background-color: #ededed;
    font-size: 22px;
  }
  .login-btn-wrap {
    padding: 53px 33px;
    .login-btn {
      background-color: #6db4fb;
      border: none;
    }
  }
}
</style>
